Link to official Proton site

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Proton was added by StephanF in
Jun 2011 and the latest update was made in
May 2018. The list of alternatives was updated Apr 2018 There is a history of all activites on
Proton in our Activity Log.
It's possible to update the information on Proton or report it as discontinued, duplicated or spam.

Proton is discontinued. Find alternatives in the list below or click here for more info

What's in this list?

Alternatives to Proton for Windows, Mac, Linux, PortableApps.com, Total Commander and more. Filter by license to discover only free or Open Source alternatives. This list contains a total of 14 apps similar to Proton.

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The site is made by Ola and Markus in Sweden, with a lot of help from our friends and colleagues in Italy, Finland, USA, Colombia, Philippines, France and contributors from all over the world. That's right, all the lists of alternatives are crowd-sourced, and that's what makes the data powerful and relevant.